用光学显微镜观察人的口腔上皮细胞实验中将视野亮度调得暗一些可以更清晰地观察到细胞结构此时除调节遮光器外还可以调节 A.目镜b.物镜c Template




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tomski用光学显微镜观察人的口腔上皮细胞实验中将视野亮度调得暗一些可以更清晰地观察到细胞结构此时除调节遮光器外还可以调节 a.目镜b.物镜c coloring